﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SupermarketSalesModel;

namespace SupermarketSalesController
{
    public interface DAOProductxPromotion
    {  
        void add(ProductxPromotion pxp);
        void update(ProductxPromotion pxp);
        void delete(int productId);
        List<ProductxPromotion> queryAll();
        ProductxPromotion queryById(int pxpId);
        int count();
    }
}
